Authors: Schaffer, AA Aravind, L Madden, TL Shavirin, S Spouge, JL Wolf, YI Koonin, EV Altschul, SF

Citation: Aa. Schaffer et al., Improving the accuracy of PSI-BLAST protein database searches with composition-based statistics and other refinements, NUCL ACID R, 29(14), 2001, pp. 2994-3005